Luo Jianbin has sold coal in the village for ten years, always selling only high-calorific, low-smoke clean coal at 800 yuan per ton. His younger brother, Luo Jianhui, publicly claimed he was selling it too expensively, led the villagers to return their goods, and opened another coal yard selling at only 500 yuan per ton. When a cold wave struck, the substandard low-priced coal burned with red flames and billowing black smoke, and the village chief's newlywed couple nearly met with disaster. After the truth came to light, Luo Jianhui legally bore the responsibility, finally woke up, and came to his older brother's door to admit his mistake. Luo Jianbin always stuck to the rule of not shipping impure coal, winning back the trust of the entire village with good coal. A furnace of coal fire warms the home and reflects people's hearts.